Monitor Sharpness Test
Lagom-style references: microscopic line grids reveal sharpening halos, GPU scaling blur, fractional HiDPI resampling mismatches, and cable bandwidth limits.
Observe from your normal distance first, move closer deliberately, toggle OS scaling tiers, repeat — never force uncomfortable viewing posture.
1-pixel horizontal grille
1-pixel vertical grille
Cross-hatch lattice
Diagonal moiré torture
Text blocks
Nano 12px AAA — Inspect micro-contrast ringing around stems and serifs. Compare against browser zoom resets.
Sans 14px · The Quick Brown Fox 0123456789
Serif Display sample — VECTOR JUG Q
How to use
- Iterate OSD sharpness from 0 upward watching for halo bloom around single-pixel conductors.
FAQ
4:2:2 chroma subsampling symptom?
Color-text fringing persists even when monochrome gratings crisp—inspect GPU output format.
Overview
Bundles vector-friendly CSS gradients mimicking revered calibration grids while admitting browser GPU differences vs native pattern generators.